contracted tendons

My buck was born on Jan 29. He initially was putting weight on both back legs but at some point shortly later this changed. It wasn’t until maybe day 3 we started noticing he was not walking right. He gets around great. But he doesn’t walk on them still. We treated him with selenium and vitamin...

I am currently bottle raising a Saanen cross that has had weak legs from birth but got around fine. However, he's slowly gotten worse. First his front legs contracted over and he walked on his knees. Now it has progressed to him falling over and being unable to right himself. His back legs are...